*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    /*padding: 100px;*/
}

body>div{
    position: absolute;
    width:400px;
    height:400px;
    left:50%;
    top:50%;
    margin-left:-200px;
    margin-top:-200px;
    padding: 10px;
    text-align: center;
    background-color: #f0f0f0;
}

body>div>div>p{
    display: block;
    height: 100px;
    line-height: 100px;
    font-size: 30px;
    font-family:"Microsoft YaHei";
}
body>div>div{
}
